The last day you can register on-line for Astronomy Roundup 2007 is Monday, June 11. You will be able to register on-site in Calgary when the conference begins (cash and traveller's cheques only) and optional items may not be available.
Astronomy Roundup is a joint meeting of the American Association of Variable Star Observers (AAVSO), the Association of Lunar and Planetary Observers (ALPO), and the Royal Astronomical Society of Canada (RASC). It is taking place June 28 to July 1 on the University of Calgary campus in Calgary, Alberta.
For more information, go to the AR2007 website: